| 110 Airconditioning | Laval | Air Conditioning Systems & Parts |
| 3CI OSBL INC. | Montréal | Bookkeeping Software & Accounting Systems |
| 4CB Groupe | Montréal | Air Conditioning Systems & Parts |
| A B C Nettoyage Industriel | Montréal | Central Vacuum Systems |
| A C S Advantegeous Control System Inc | Roxboro | Ceramic Tile Manufacturers & Distributors |
| A+ Bookkeeping | Montréal | Bookkeeping Software & Accounting Systems |
| A-Plus Systems Canada Ltd. | Kirkland | Tout Informatique et internet |
| Abb Canada | Montréal | Automation Systems & Equipment |
| ABEONA SYSTEMS INC. | Montréal | Life Sciences and Health Technologies (LSHT) |
| ABF Systèmes Inc. | Boucherville | Tout Entreprises et services |
Publicité (Desktop) Publicité (Mobile) |
| Access Auto Montreal | Mont-Royal | Car Radios & Stereo Systems |
| Accounting and Tax Solutions | Montréal | Bookkeeping Software & Accounting Systems |
| Accès Ingrédients | Boucherville | Agri-food |
| Acier Inoxydable Fafard Inc. | Boucherville | Tout Entreprises et services |
| Acier Leroux | Boucherville | Tout Entreprises et services |
| Acier Leroux Inc | Boucherville | Aluminum |
| Action.Grenier Autogroupe | Boucherville | Tout Commerces au détail |
| Ad Mats | Boucherville | Tout Commerces au détail |
| Adex Systems Inc. | Riviere-Des-Prairies | Tout Entreprises et services |
| Adhesifs Nacan | Boucherville | Adhesives & Glues |
Publicité (Desktop) Publicité (Mobile) |
| Admicom | Montréal | Bookkeeping Software & Accounting Systems |
| ADP Dealer Services | Boucherville | Information Technologies (IT) |
| Aerus | Pointe-Claire | Central Vacuum Systems |
| Aesus Systems, Inc. | Pointe-Claire | Tout Entreprises et services |
| Agence de placement Synergie | Boucherville | Tout Entreprises et services |
| Agence de Recouvrement Systèmes de Crédit Shellc o Ltée | Montréal | Collection Agencies |
| Agence DoubleXpresso | Boucherville | Tout Entreprises et services |
| Agences Roger Boutin Inc | Boucherville | Business Brokers |
| Agotech | Laval | Car Alarm Systems |
| Air Sem Climatisation - Chauffage - Thermopompe | Boucherville | Air Purifiers |
Publicité (Desktop) Publicité (Mobile) |
| Air-Sodem Inc | Boucherville | Air Conditioning Contractors |
| Airco Den Bec | Longueuil | Air Conditioning Systems & Parts |
| Airtec Contrôle | Saint-Hubert | Air Conditioning Systems & Parts |
| Aj Tremblay | Boucherville | aj |
| Alain Berthiaume CPA Inc | Longueuil | Bookkeeping Software & Accounting Systems |
| Alarme Securi-Tek | Montréal | Car Alarm Systems |
| Alarmes et Antivols Sécurimax Inc | Saint-Jérôme | Car Alarm Systems |
| ALDO Accessoires | Montréal | Air Conditioning Systems & Parts |
| Alert Fire Protection - Alert Sprinklers Inc | Châteauguay | Automatic Fire Sprinkler Systems |
| Alert Fire Protection - Alert Sprinklers Inc | Châteauguay | Automatic Fire Sprinkler Systems |
Publicité (Desktop) Publicité (Mobile) |
| Alerte 2000 Inc. | Boucherville | Tout Entreprises et services |
| Align Aerospace | Boucherville | Aviation Consultants & Services |
| Aliments Johnvince | Boucherville | Agri-food |
| Aliments Newly Weds | Boucherville | Agri-food |
| Allia Expertise Inc | Saint-Bruno | Bookkeeping Software & Accounting Systems |
| Alpharegul | Boucherville | Tout Entreprises et services |
| Ameublement Simard Inc | Boucherville | Furniture Stores |
| AMRIKART R.C. INC. | Boucherville | Aerospace |
| Anderson Accounting | Montréal | Bookkeeping Software & Accounting Systems |
| Anixter Canada | Boucherville | Information Technologies (IT) |
